/Engine/Plugins/Experimental/PixelStreamingPlayer/Source/PixelStreamingPlayer/Public/PixelStreamingSignallingComponent.h
Send a subscribe message to the signalling server to subscribe to a specific streamer.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="PixelStreaming") void Subscribe ( const [FString](API\Runtime\Core\Containers\FString) & StreamerId )